首页
登录
职称英语
According to the passage, compared to 3G mobile phones, the second-generation ph
According to the passage, compared to 3G mobile phones, the second-generation ph
游客
2024-07-31
34
管理
问题
According to the passage, compared to 3G mobile phones, the second-generation phones ______. [br] The double-blind laboratory tests means ______.
选项
A、nobody taking part in the test knows if the 3G base station is transmitting signals
B、only the subjects in the test know if the 3G base station is transmitting signals
C、no researchers know if the 3G base station is transmitting signals
D、everyone in the test knows if the 3G base station is transmitting signals
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3699669.html
相关试题推荐
Accordingtothenews,theplanecrashed______[br][originaltext]ABoeing727
Accordingtothenews,theplanecrashed______[br][originaltext]ABoeing727
Accordingtothenews,theplanecrashed______[originaltext]ABoeing727aircr
Accordingtothenews,theplanecrashed______[br][originaltext]ABoeing727
Accordingtothenews,theplanecrashed______[br][originaltext]ABoeing727
Accordingtothenews,theplanecrashed______[originaltext]ABoeing727aircr
Accordingtothesurveydoneamongthelocalresidents,______enoughmoney,the
Accordingtotheweatherforecast,whichisusually______,itwillsnowthisaft
AccordingtoNigel,whatarethemostproblemsofairtravelcausedby?[br][o
AccordingtoNigel,whatarethemostproblemsofairtravelcausedby?[br][o
随机试题
[originaltext]TheU.S.SpaceAgencyNASAsaysRussia’sorbitingMirspacest
Weallknowwhatanadvertisementis;it’s【B1】______messagethatannounce
股指期货近期与远期交割月份合约间的理论价差与()等有关。A、近月和远月合约之间的时间长短B、市场利率C、现货指数价格D、现货红利率A,B,C设
Walkingalongtheriver,heheardsomeone________forhelp.A、shoutingB、shoutC、s
建设项目管理的控制目标是指()。A:质量目标 B:收益目标 C:进度目标
下面关于人格权正确的是()A.人格权包括具体人格权和抽象人格权 B.抽象
2×19年1月1日,甲公司取得A公司25%的股权,实际支付款项6
某污水处理厂的设备安装工程由A安装公司承包施工,其土建工程由B建筑公司承包施工,
挖孔施工时相邻两桩孔不得同时开挖,宜()A.修改设计 B.避开雨季开挖
最新回复
(
0
)